Now's the time to strike on select Xbox Live games and add-ons, as Microsoft is offering deals through its "Extreme Shopping" promotion. You could get a copy of After Burner Climax, Costume Quest or Red Dead Redemption's Undead Nightmare cheap!

The following deals run until April 4, with Xbox.com warning that "special one day only offers" will hit Xbox Live this Friday, April 1. No foolin'.